1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P0Header 16
VCC
VCC
l c d 1 6 0 2
Rp1
103
R S
E
L C D 1 6 0 2 显 示
W R
VB
1
C13
2
C14
3
C15
4
A0
5
A1
6
A2
7
A3
8
A4
9
A5
10
A6
11
A7
12
B0
13
B1
14
B10
15
B11
16
R
17
3.3V
18
GND
19
GND
20
B12
21
B13
22
B14
23
B15
24
A8
25
A9
26
A10
27
A11
28
A12
29
A15
30
B3
31
B4
32
B5
33
B6
34
B7
35
B8
36
B9
37
5V
38
GND
39
3.3V
40
S T M 3 2 F 1 0 3 C 8 T 6
U1
STM32F103C8T6
VCC
D4
D5
D6
D7
VCC1
1
2
2
3
3
4
4
5
5
6
6
S0
SW-DPDT
电 源 供 电
1
2
J0
POWER
3.3V
3.3V
A0
A1
A2
A3
A4
A5
A6
A7
B1
CB-120P-08
1K
R1
Res2
Qf1
8550
蜂 鸣 器
1
2
3
P1 甲醛
3.3V
3.3V
3.3V
S2
SW-PB
S3
SW-PB
S1
SW-PB
P M 2 . 5 传 感 器
1
2
3
4
5
6
P7
Header 6
VCC
220u
C02
150
R0
Res2
VCC
甲 醛 传 感 器
10K
R4
Res2
10K
R5
Res2
M Q 2
1
2
3
4
P01
MQ2
VCC
M Q 7
1
2
3
4
P03
MQ7
VCC
M Q 5
1
2
3
4
P02
MQ5
VCC
Qf2
8550
3.3V
1K
R2
Res2
M
B2
风扇